In large part, these malformations involved limb deformities in recently metamorphosed frogs. Extra limbs, partially and completely missing limbs, and a variety of other limb malformations (e.g., skin ...

A new study led by the University of Colorado at Boulder indicates high levels of nutrients used in farming and ranching activities can trigger frog deformities by fueling parasite infections.

A northern red-legged frog with limb deformities seems to watch researchers at work. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert!

Humans may be unable to return to the site of the Chernobyl nuclear disaster for 20,000 years because of the radiation.